VB.Net Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to VB.Net. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Which of the following converts the expression to Char data type in VB.NET?

A - CBool(expression)

B - CByte(expression)

C - CChar(expression)

D - CDate(expression)

Answer : C

Explanation

CChar(expression) − Converts the expression to Char data type.

Q 2 - Which of the following converts the expression to Integer data type in VB.NET?

Answer : C

Explanation

CInt(expression) − Converts the expression to Integer data type.

Q 3 - Which of the following is true about catch block in VB.NET?

A - A program catches an exception with an exception handler at the place in a program where you want to handle the problem.

B - The catch keyword indicates the catching of an exception.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above options are correct.

Q 4 - Which of the following accesss modifier specifies that the type is covariant?

Answer : C

Explanation

Out − For generic type parameters, the Out keyword specifies that the type is covariant.

Q 5 - Which of the following accesss modifier allows you to pass an arbitrary number of arguments to the procedure?

Answer : C

Explanation

ParamArray − ParamArray allows you to pass an arbitrary number of arguments to the procedure. A ParamArray parameter is always declared using ByVal.

Q 6 - Which of the following accesss modifier specifies that one or more declared member variables refer to an instance of a class that can raise events?

Answer : B

Explanation

WithEvents − Specifies that one or more declared member variables refer to an instance of a class that can raise events.

Q 7 - Which of the following statement declares the name, parameters, and code that define a Sub procedure?

Answer : A

Explanation

Sub − Declares the name, parameters, and code that define a Sub procedure.

Q 8 - Which of the following operator uses short-circuit evaluation to conditionally return one of two values?

A - If

B - Await

C - GetType

D - Function Expression

Answer : A

Explanation

If − It uses short-circuit evaluation to conditionally return one of two values. The If operator can be called with three arguments or with two arguments.

Q 9 - Which of the following Collection class of VB.NET represents a last-in, first out collection of object?

Answer : D

Explanation

Stack − It represents a last-in, first out collection of object. It is used when you need a last-in, first-out access of items. When you add an item in the list, it is called pushing the item, and when you remove it, it is called popping the item.

Q 10 - Which of the following Collection class of VB.NET represents an array of the binary representation using the values 1 and 0?

Answer : B

Explanation

BitArray − It represents an array of the binary representation using the values 1 and 0. It is used when you need to store the bits but do not know the number of bits in advance. You can access items from the BitArray collection by using an integer index, which starts from zero.

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